diff --git a/worldedit-bukkit/adapters/adapter-1_17_1/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_17_R1_2/PaperweightPlatformAdapter.java b/worldedit-bukkit/adapters/adapter-1_17_1/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_17_R1_2/PaperweightPlatformAdapter.java
index b9d2ce9a0..dfd67abe3 100644
--- a/worldedit-bukkit/adapters/adapter-1_17_1/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_17_R1_2/PaperweightPlatformAdapter.java
+++ b/worldedit-bukkit/adapters/adapter-1_17_1/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_17_R1_2/PaperweightPlatformAdapter.java
@@ -369,8 +369,12 @@ public final class PaperweightPlatformAdapter extends NMSAdapter {
             }
             return levelChunkSection;
         } catch (final Throwable e) {
-            Arrays.fill(blockToPalette, Integer.MAX_VALUE);
             throw e;
+        } finally {
+            Arrays.fill(blockToPalette, Integer.MAX_VALUE);
+            Arrays.fill(paletteToBlock, Integer.MAX_VALUE);
+            Arrays.fill(blockStates, 0);
+            Arrays.fill(blocksCopy, 0);
         }
     }
 
diff --git a/worldedit-bukkit/adapters/adapter-1_18/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_18_R1/PaperweightPlatformAdapter.java b/worldedit-bukkit/adapters/adapter-1_18/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_18_R1/PaperweightPlatformAdapter.java
index 15aea4cfa..05426b73c 100644
--- a/worldedit-bukkit/adapters/adapter-1_18/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_18_R1/PaperweightPlatformAdapter.java
+++ b/worldedit-bukkit/adapters/adapter-1_18/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_18_R1/PaperweightPlatformAdapter.java
@@ -395,8 +395,12 @@ public final class PaperweightPlatformAdapter extends NMSAdapter {
 
             return levelChunkSection;
         } catch (final Throwable e) {
-            Arrays.fill(blockToPalette, Integer.MAX_VALUE);
             throw e;
+        } finally {
+            Arrays.fill(blockToPalette, Integer.MAX_VALUE);
+            Arrays.fill(paletteToBlock, Integer.MAX_VALUE);
+            Arrays.fill(blockStates, 0);
+            Arrays.fill(blocksCopy, 0);
         }
     }
 
diff --git a/worldedit-bukkit/adapters/adapter-1_18_2/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_18_R2/PaperweightPlatformAdapter.java b/worldedit-bukkit/adapters/adapter-1_18_2/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_18_R2/PaperweightPlatformAdapter.java
index 151289d89..74c1963f3 100644
--- a/worldedit-bukkit/adapters/adapter-1_18_2/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_18_R2/PaperweightPlatformAdapter.java
+++ b/worldedit-bukkit/adapters/adapter-1_18_2/src/main/java/com/sk89q/worldedit/bukkit/adapter/impl/fawe/v1_18_R2/PaperweightPlatformAdapter.java
@@ -399,8 +399,12 @@ public final class PaperweightPlatformAdapter extends NMSAdapter {
 
             return new LevelChunkSection(layer, blockStatePalettedContainer, biomes);
         } catch (final Throwable e) {
-            Arrays.fill(blockToPalette, Integer.MAX_VALUE);
             throw e;
+        } finally {
+            Arrays.fill(blockToPalette, Integer.MAX_VALUE);
+            Arrays.fill(paletteToBlock, Integer.MAX_VALUE);
+            Arrays.fill(blockStates, 0);
+            Arrays.fill(blocksCopy, 0);
         }
     }
 
diff --git a/worldedit-bukkit/adapters/adapter-legacy/src/main/resources/worldedit-adapters.jar b/worldedit-bukkit/adapters/adapter-legacy/src/main/resources/worldedit-adapters.jar
index ab4f54dec..15566d9bb 100644
Binary files a/worldedit-bukkit/adapters/adapter-legacy/src/main/resources/worldedit-adapters.jar and b/worldedit-bukkit/adapters/adapter-legacy/src/main/resources/worldedit-adapters.jar differ